1998579968

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:2000

約数の個数: 144

約数和(自身を含む): 5070231936

約数和(自身を除く): 3071651968

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 53, 56, 64, 77, 88, 106, 112, 128, 154, 176, 212, 224, 256, 308, 352, 371, 424, 448, 583, 616, 704, 742, 848, 896, 1166, 1232, 1408, 1484, 1696, 1792, 1913, 2332, 2464, 2816, 2968, 3392, 3826, 4081, 4664, 4928, 5936, 6784, 7652, 8162, 9328, 9856, 11872, 13391, 13568, 15304, 16324, 18656, 19712, 21043, 23744, 26782, 30608, 32648, 37312, 42086, 47488, 53564, 61216, 65296, 74624, 84172, 94976, 101389, 107128, 122432, 130592, 147301, 149248, 168344, 202778, 214256, 244864, 261184, 294602, 336688, 405556, 428512, 489728, 522368, 589204, 673376, 709723, 811112, 857024, 1044736, 1115279, 1178408, 1346752, 1419446, 1622224, 1714048, 2230558, 2356816, 2693504, 2838892, 3244448, 3428096, 4461116, 4713632, 5387008, 5677784, 6488896, 7806953, 8922232, 9427264, 11355568, 12977792, 15613906, 17844464, 18854528, 22711136, 25955584, 31227812, 35688928, 37709056, 45422272, 62455624, 71377856, 90844544, 124911248, 142755712, 181689088, 249822496, 285511424, 499644992, 999289984, 1998579968]

約数ペア:

[(1, 1998579968), (2, 999289984), (4, 499644992), (7, 285511424), (8, 249822496), (11, 181689088), (14, 142755712), (16, 124911248), (22, 90844544), (28, 71377856), (32, 62455624), (44, 45422272), (53, 37709056), (56, 35688928), (64, 31227812), (77, 25955584), (88, 22711136), (106, 18854528), (112, 17844464), (128, 15613906), (154, 12977792), (176, 11355568), (212, 9427264), (224, 8922232), (256, 7806953), (308, 6488896), (352, 5677784), (371, 5387008), (424, 4713632), (448, 4461116), (583, 3428096), (616, 3244448), (704, 2838892), (742, 2693504), (848, 2356816), (896, 2230558), (1166, 1714048), (1232, 1622224), (1408, 1419446), (1484, 1346752), (1696, 1178408), (1792, 1115279), (1913, 1044736), (2332, 857024), (2464, 811112), (2816, 709723), (2968, 673376), (3392, 589204), (3826, 522368), (4081, 489728), (4664, 428512), (4928, 405556), (5936, 336688), (6784, 294602), (7652, 261184), (8162, 244864), (9328, 214256), (9856, 202778), (11872, 168344), (13391, 149248), (13568, 147301), (15304, 130592), (16324, 122432), (18656, 107128), (19712, 101389), (21043, 94976), (23744, 84172), (26782, 74624), (30608, 65296), (32648, 61216), (37312, 53564), (42086, 47488)]